Home / 160,826.32-221,795.04-100,402.56

Finding the Fourth Proportional to 160,826.32, 221,795.04 and 100,402.56

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Solution

The fourth proportional to 160,826.32, 221,795.04 and 100,402.56 is: 138,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.32 : 221,795.04 = 100,402.56 : x
  2. Step 2: Convert to fraction form
    160,826.32/221,795.04 = 100,402.56/x
  3. Step 3: Cross multiply
    160,826.32x = 221,795.04 × 100,402.56
  4. Step 4: Simplify right side
    160,826.32x = 22,268,789,811.30
  5. Step 5: Solve for x
    x = 22,268,789,811.30/160,826.32
  6. Step 6: Final answer
    x = 138,464.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.